Mudhiah, Siti, and Ali Shodikin. “Pengaruh Model Pembelajaran Berbasis Masalah Terhadap Kemampuan Pemahaman Konsep Dan Penalaran Geometris Siswa”. Jurnal Elemen 5, no. 1 (January 31, 2019): 43–53. Accessed May 5, 2024. https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/974.